EP2587856A1 - Verfahren und vorrichtung für ein feedback auf ein minimierungs-antriebstest-protokoll - Google Patents

Verfahren und vorrichtung für ein feedback auf ein minimierungs-antriebstest-protokoll Download PDF

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Publication number
EP2587856A1
EP2587856A1 EP11797571.4A EP11797571A EP2587856A1 EP 2587856 A1 EP2587856 A1 EP 2587856A1 EP 11797571 A EP11797571 A EP 11797571A EP 2587856 A1 EP2587856 A1 EP 2587856A1
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EP
European Patent Office
Prior art keywords
terminal equipment
attribution
zone
mdt log
log
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11797571.4A
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English (en)
French (fr)
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EP2587856B1 (de
EP2587856A4 (de
Inventor
Jing Fu
Xiaodong Yang
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Publication of EP2587856A4 publication Critical patent/EP2587856A4/de
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools

Definitions

  • MDT Minimum Drive Test
  • the terminal equipment performs MDT measurements and report in connection state; the terminal equipment will immediately report the measurement results to eNB (evolved Node B)/RNC (Radio Network Controller) in form of multiplexing RRM (Radio Resource Management) once the conditions are met.
  • eNB evolved Node B
  • RNC Radio Network Controller
  • Network side network will not keep MDT context information for Logged MDT, nor transfer MDT context among network unit.
  • RRC connection is released, MDT context saved at network side will also be released at the same time.
  • LTE Long Term Evolution
  • RRC connection setup procedure is shown in Fig. 1 .
  • terminal equipment After the successful setup of RRC connection, terminal equipment sends to network the RRCConnectionSetupComplete message that carries the indication information on whether terminal equipment saves available MDT Log (viz. said Log available). After receiving the indication, network can request subsequently terminal equipment to report the MDT Log saved.
  • Terminal equipment may be reconfigured with Logged MDT task when moving to a new cell; then it will delete the Logged MDT configuration saved previously and MDT results having not been reported yet; while terminal equipment will save the original configuration and Log results if it does not receive new Logged MDT configuration when moving to a new cell.
  • OMC Order & Maintenance Center
  • Log information When Log information is available for MDT in terminal equipment, it can be informed to network side through RRC message during setup/handover/reestablishment/cell update procedures and trigger network side to acquire Log information in terminal equipment.
  • the handover procedure, reestablishment procedure, or cell update procedure the updated cell and the original cell may belong to different OMCs or PLMNs.
  • the target network If terminal equipment sends the same Log available indication to target network side, the target network may request terminal equipment to report MDT Log. However, if network side does not support the reporting across OMC or PLMN, radio resource will be wasted. Furthermore, terminal equipment will delete corresponding MDT Log after reporting it, which will cause the loss of MDT Log.
  • an eNB including:
  • the embodiments of the present invention also provide a method for feeding back MDT Log, including:
  • an eNB including:
  • the embodiments of the present invention also provide a terminal equipment, including:
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • MDT Log is reported under the control of network side (the aforesaid eNB of target cell). But before network side notifies terminal equipment to report, terminal equipment will give a Log available notice to network side, viz. said Log available information.
  • Network side can request terminal equipment to report the available MDT Log measurement results after receiving Log available information.
  • terminal equipment When terminal equipment receives the configuration message carrying the information that terminal equipment is permitted to feed back MDT Log to eNBs in one or several defined attribution zones specified, or terminal equipment is set to allow to feed back MDT Log to eNBs in one or several attribution zones, terminal equipment verifies that feeding back MDT Log across any attribution zone(s) is not permitted, but only feeding back MDT Log to eNBs in one or several specified attribution zones is permitted. In such case, implement step S502;
  • terminal equipment When terminal equipment receives the configuration message carrying the information that terminal equipment is permitted to feed back MDT Log to eNBs in any attribution zone specified, or terminal equipment is set to allow to feed back MDT Log to eNBs in any attribution zone, terminal equipment verifies that feeding back MDT Log across any attribution zone is permitted. In such case, implement step S504;
  • Step S502 terminal equipment judges whether attribution zone(s) of target cell is the predefined valid attribution zone(s).
  • the predefined valid attribution zone(s) is specifically one or several kinds of the following information:
  • Step S504 if all or part of MDT Log in terminal equipment is valid, terminal equipment sends Log available information to target cell, the practical implementation process is:
  • step S503 and step S504 viz. after terminal equipment sends Log available information to target cell, the process also includes that terminal equipment reports all saved valid MDT Log at present to target cell after receiving Log reporting request sent by target cell.
  • terminal equipment deletes the MDT Log reported.
  • Step S505 terminal equipment abandons sending Log available information to target cell and continues to keep MDT Log.
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • the valid attribution zone(s) can be configured by network side or agreed in advance on terminal equipment; also, identification of this valid attribution zone(s) can be one or several kinds of the following information:
  • PLMN information cell list information, eNB list information, SA zone(s) list information, tracking area list information, and other information that can indicate attribution location zone(s) of terminal equipment.
  • Embodiment I set it directly that terminal equipment stops sending Log available information in the case of PLMN changes, as shown in Fig. 6 .
  • terminal equipment Since terminal equipment receives MDT configuration when it is attributed to PLMN1, PLMN1 is verified as valid attribution zone, terminal equipment collects Log MDT results and reports them in PLMN1-related cell. Terminal equipment does not finish the transmission of Log data of MDT in PLMN1-related cell.
  • terminal equipment moves from a PLMN1-related cell to a PLMN2-related cell through RRC connect setup process/handover process/reestablishment process/cell update process. Since PLMN2 is not the valid attribution zone, terminal equipment will not send Log available information to PLMN2-related cell(s).
  • network configures MDT task for terminal equipment in PLMN1-related cell(s) and meanwhile configures PLMN1 and PLMN2 as the valid report zone(s) of MDT Log, viz. both PLMN1 and PLMN2 are the valid attribution zones.
  • terminal equipment Since terminal equipment does not finish the transmission of Log data of MDT in PLMN1-related cell(s), considering that PLMN2 is also the valid attribution zone, the terminal equipment continues to send Log available information to the PLMN2-related cell when terminal equipment moves from a PLMN1-related cell to a PLMN2-related cell through setup process/handover process/reestablishment process/cell update process.
  • terminal equipment when terminal equipment moves in PLMN3-related cell again, terminal equipment will not send Log available information to PLMN3-related cells because PLMN3 is not a valid attribution zone, although MDT Log data of PLMN1-related cell(s) are available.
  • network configures MDT task for terminal equipment in eNB1-related cell(s) and meanwhile configures eNB1 and eNB2 as the valid report zones of MDT Log, viz. both eNB1 and eNB2 are the valid attribution zones (Both eNB1 and eNB2 may belong to the same OMC.
  • OMC is required to firstly inform eNB which eNBs belong to the same OMC since. Then eNB will configure Log data report valid zone(s) based on the information).
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • terminal equipment rationally choose whether to send Log available information to the network in light of the fact whether present attribution zone(s) of terminal equipment is the valid attribution zone(s). These can avoid feeding back MDT Log and further causing loss of valid MDT Log in case present attribution zone is not a the valid attribution zone. Moreover, terminal equipment can decide whether to report Log available information according to the condition of actual attribution zone(s), which avoids unnecessary reporting of MDT Log and validly saving radio resource of the system.
  • the embodiments of the present invention also provide a terminal equipment, and the structural diagram is shown in Fig. 9 , including:
  • verification module 92 verifies through the following ways whether feeding back MDT Log across any attribution zone is permitted, further including:
  • Sending module 94 terminal equipment reports all valid MDT Log saved currently to target cell after reception module 95 receives MDT Log reporting request sent by target cell.
  • the embodiments of the present invention provide an eNB, and the structural diagram is shown in Fig. 10 , further including:
  • configuration module 101 sends the information whether feeding back MDT Log across any attribution zone is permitted through the following ways:
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • terminal equipment rationally choose whether to send Log available information to network in light of the fact whether present attribution zone of terminal equipment is a valid attribution zone. These can avoid feeding back MDT Log and further causing loss of valid MDT Log in case present attribution zone is not a valid attribution zone. Moreover, terminal equipment can decide whether to report Log available information according to actual attribution zone(s), which can avoid unnecessary reporting of MDT Log and validly save radio resource of the system.
  • the technical solution proposed in embodiments of the present invention can realize feedback of MDT Log by reporting the information of present attribution zone(s) to network side, which enable network side to judge whether to acquire MDT Log.
  • Fig. 11 it is a flow diagram of method for feeding back MDT Log provided in the embodiments of the present invention; the method comprises the following steps:
  • the predefined sending conditions are specifically:
  • PLMN information cell list information, eNB list information, SA zone(s) list information, tracking area list information and other information that can indicate attribution location zone(s) of terminal equipment.
  • Step S1103 eNB sends Log reporting request to terminal equipment and receives MDT Log reported by terminal equipment.
  • the processing solution aforesaid is the realization flow of eNB side.
  • Embodiments of the present invention also provide the processing flow of terminal equipment side, as shown in Fig. 12 , which comprises the following steps:
  • the predefined sending conditions are specifically:
  • Step S1202 terminal equipment reports all valid MDT Log saved at present to eNB after receiving Log reporting request sent by eNB.
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • terminal equipment reports the information of present attribution zone to network side to enable network side to judge whether to acquire MDT Log, specifically as:
  • terminal equipment can always report MDT Log attribution zone, or report the attribution zone of the recording MDT Log data to network under certain conditions (such as zone(s) switch, or generation of new MDT Log data).
  • format of zone(s) identification reported can be agreed in advance or configured by network; for example, cell list, eNB list, SA zone(s) list, tracking area list, etc.
  • Terminal equipment connects to PLMN1-related cell(s) and carries out Log MDT in PLMN1-related cell(s); it does not finish transmission of Log data of MDT in PLMN1-related cell(s).
  • terminal equipment sends Log available information to PLMN2-related cell(s) and indicates the MDT Log data does not belong to PLMN2 zone(s).
  • eNB can decide whether to acquire MDT Log of terminal equipment based on its relevant survey; such as whether to support the transfer of MDT data in other zone(s) through interface of network node.
  • Embodiment V terminal equipment informs network to which PLMN the MDT Log recorded itself belongs, as shown in Fig. 14 .
  • eNB can decide whether polling MDT Log data of terminal equipment based on its relevant survey; such as whether to support the transfer of MDT data in other zone(s) through interface of network node.
  • the present invention Compared with the present technology, the present invention possesses the following advantages:
  • terminal equipment reports information of present attribution zone(s) to the network and network side judges whether to acquire MDT Log. These can avoid feeding back MDT Log and further causing loss of valid MDT Log in case present attribution zone(s) is not a valid attribution zone. Moreover, terminal equipment can decide whether to report Log available message according to actual attribution zone(s), which avoids unnecessary reporting of MDT Log and validly saves radio resource of the system.
  • the embodiments of the present invention provide an eNB, and the structural diagram is shown in Fig. 15 , including:
  • reception module 152 is specifically used to:
  • valid attribution zone(s) set by setting module 151 is specifically one or several kinds of the following information:
  • Fig. 16 the structural diagram is shown in Fig. 16 , including:

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP11797571.4A 2010-06-22 2011-05-31 Verfahren und vorrichtung für ein feedback auf minimization drive test log Active EP2587856B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010215859.6A CN102300248B (zh) 2010-06-22 2010-06-22 一种MDT Log信息的反馈方法和设备
PCT/CN2011/075020 WO2011160540A1 (zh) 2010-06-22 2011-05-31 一种mdtlog信息的反馈方法和设备

Publications (3)

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EP2587856A1 true EP2587856A1 (de) 2013-05-01
EP2587856A4 EP2587856A4 (de) 2016-08-03
EP2587856B1 EP2587856B1 (de) 2018-12-26

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US (1) US9591502B2 (de)
EP (1) EP2587856B1 (de)
KR (1) KR101544130B1 (de)
CN (1) CN102300248B (de)
WO (1) WO2011160540A1 (de)

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CN108601038A (zh) * 2012-01-06 2018-09-28 北京三星通信技术研究有限公司 在多个plmn下进行mdt连续测量和汇报的方法
US9686706B2 (en) 2012-03-19 2017-06-20 Samsung Electronics Co., Ltd Method and device for reporting power headroom in mobile communication system for carrier aggregation
EP3737159B1 (de) * 2012-03-26 2022-01-26 Samsung Electronics Co., Ltd. Verfahren und vorrichtung zur erhaltung von mobilitätsinformationen bei endgerätestatusübergang und für effektiven neuzugriff in einem heterogenen zellnetzwerk in einem mobilkommunikationssystem
US9363701B2 (en) * 2012-04-06 2016-06-07 Lg Electronics Inc. Method for reporting in wireless communication system and apparatus supporting same
KR20140111863A (ko) * 2013-03-12 2014-09-22 주식회사 팬택 무선통신 시스템에서 네트워크 환경 파악을 위한 로그 측정 관련 정보를 송수신하는 방법 및 장치
CN104247553B (zh) * 2013-03-22 2019-07-26 华为技术有限公司 建立连接的方法及设备
CN103501517B (zh) * 2013-09-23 2016-09-14 电信科学技术研究院 一种上报移动信息的方法、系统和设备
CN105934969B (zh) * 2014-01-29 2019-04-05 Lg电子株式会社 在无线通信系统中发送报告消息的方法和装置
WO2015115782A1 (en) * 2014-01-30 2015-08-06 Lg Electronics Inc. Method and apparatus for supporting minimization of drive tests for radio access network sharing in wireless communication system
CN110493768B (zh) * 2018-05-14 2021-03-02 大唐移动通信设备有限公司 一种小区物理层标识更新方法及装置

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CN101137208A (zh) * 2006-08-31 2008-03-05 中兴通讯股份有限公司 基于地理位置的移动性限制方法
US8768335B2 (en) * 2010-01-27 2014-07-01 Lg Electronics Inc. Method of performing a minimization of drive test (MDT) for specific area in wireless communication system
US9294972B2 (en) * 2010-04-28 2016-03-22 Qualcomm Incorporated Neighbor relation information management
US8594657B2 (en) * 2010-06-15 2013-11-26 Htc Corporation Method for reporting MDT log and mobile communication device utilizing the same

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Publication number Publication date
WO2011160540A1 (zh) 2011-12-29
CN102300248B (zh) 2014-06-18
EP2587856B1 (de) 2018-12-26
KR20120131187A (ko) 2012-12-04
KR101544130B1 (ko) 2015-09-10
EP2587856A4 (de) 2016-08-03
US9591502B2 (en) 2017-03-07
CN102300248A (zh) 2011-12-28
US20130184026A1 (en) 2013-07-18

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